02. Revised Total Coliform Rule (RTCR) – Practice Quiz

Practice U.S. federal drinking-water compliance decisions: Routine distribution monitoring; Repeat sampling (3 samples within 24 hours); Level 1 vs Level 2 assessment triggers. For Grades 1 and 2 operators; assumes familiarity with plant and distribution terminology. Regulatory baseline checked November 3, 2026; scenarios identify future CCR requirements explicitly. State requirements may be more stringent.